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Locations
3 Contract API jobs in Cassington + 20 miles
122 exact matches jobs are outside your preferred location
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Role: C++ Developer - Type: Contract (6 Months) Location: UK (Fully Remote) Technical Essentials (Must Haves) * Senior-level C++ expertise with many years of experience. * Strong debugging skills and a proactive test mindset-you will spend significant time triaging issues and mastering system design. Core Developer Traits * Enjoys context shifting and jumping between different projects and domains rapidly. * Overcommunicator who ensures strict alignment to prevent wasted time and effort. * Excellent communication skills-ability to simplify highly complex technical domain information for stakeholders. * A collaborative team player who actively leverages the knowledge of peers. Bonus Experience (Highly Desirable) * Familiarity with playback and orchestration APIs. * Experience in consumer multimedia software (e.g., Netflix, Amazon).
Role: C++ Developer - Type: Contract (6 Months) Location: UK (Fully Remote) Technical Essentials (Must Haves) * Senior-level C++ expertise with many years of experience. * Strong debugging skills and a proactive test mindset-you will spend significant time triaging issues and mastering system design. Core Developer Traits * Enjoys context shifting and jumping between different projects and domains rapidly. * Overcommunicator who ensures strict alignment to prevent wasted time and effort. * Excellent communication skills-ability to simplify highly complex technical domain information for stakeholders. * A collaborative team player who actively leverages the knowledge of peers. Bonus Experience (Highly Desirable) * Familiarity with playback and orchestration APIs. * Experience in consumer multimedia software (e.g., Netflix, Amazon).
FEATURED
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Location: Client sites, remote, or hybrid, depending on project need. Contract Type: Contract - About Us - Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years' experience primarily serving the UK public sector and central government. We deliver high-quality solutions that make a real difference to users, citizens and consumers. At Triad, collaboration thrives, knowledge is shared, and every voice matters. Our close-knit, supportive culture ensures you're valued from day one. Whether working with cutting-edge tech or shaping strategy for national-scale projects, you'll be trusted, challenged, and empowered to grow. We nurture learning through communities of practice and encourage creativity, autonomy, and innovation. If you're passionate about solving meaningful problems with smart and passionate people, Triad could be the pl
Location: Client sites, remote, or hybrid, depending on project need. Contract Type: Contract - About Us - Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years' experience primarily serving the UK public sector and central government. We deliver high-quality solutions that make a real difference to users, citizens and consumers. At Triad, collaboration thrives, knowledge is shared, and every voice matters. Our close-knit, supportive culture ensures you're valued from day one. Whether working with cutting-edge tech or shaping strategy for national-scale projects, you'll be trusted, challenged, and empowered to grow. We nurture learning through communities of practice and encourage creativity, autonomy, and innovation. If you're passionate about solving meaningful problems with smart and passionate people, Triad could be the pl
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PEGA Lead Systems Architect - process/task mining
PEGA Lead Systems Architect - process/task mining
Hays
London
£500.0 - £550.0 per day + up to £550 pd (outside IR35)
Pega Lead Systems Architect - Pega, Process/Task Mining £550 per day (Outside IR35) Remote / London - 6 Months - My client is an instantly recognisable consultancy who seek a PEGA Lead Systems Architect (LSA) to take ownership of designing, architecting, and delivering innovative BPM and CRM solutions using the PEGA Platform, for a well-known end client. * Extensive experience as a PEGA Lead Systems Architect, with a strong focus on enterprise-level solutions. * Prior involvement of at least one implementation with Process/Task Mining * PEGA Lead System Architect (PCLSA) certification is essential. * In-depth knowledge of PEGA frameworks, including Customer Service, Decisioning, and Smart Disputes. * Hands-on expertise in system integrations using SOAP/REST APIs, JMS, MQ, and Kafka. * Comprehensive understanding of case management, decisioning capabilities, and the PE
Pega Lead Systems Architect - Pega, Process/Task Mining £550 per day (Outside IR35) Remote / London - 6 Months - My client is an instantly recognisable consultancy who seek a PEGA Lead Systems Architect (LSA) to take ownership of designing, architecting, and delivering innovative BPM and CRM solutions using the PEGA Platform, for a well-known end client. * Extensive experience as a PEGA Lead Systems Architect, with a strong focus on enterprise-level solutions. * Prior involvement of at least one implementation with Process/Task Mining * PEGA Lead System Architect (PCLSA) certification is essential. * In-depth knowledge of PEGA frameworks, including Customer Service, Decisioning, and Smart Disputes. * Hands-on expertise in system integrations using SOAP/REST APIs, JMS, MQ, and Kafka. * Comprehensive understanding of case management, decisioning capabilities, and the PE
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*inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
*inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
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*inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
*inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
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Blue chip client is looking for an Application and Monitoring SME - Role is based full time on site in Wokingham. Candidates must be eligible for SC Clearance. MUST BE PAYE THROUGH UMBRELLA (INSIDE IR35) Working from Warwick office, ideally within 1 hours travel - Wokingham office considered but needs to travel to Warwick office for training - Primary skills - L1 monitoring/observability, ITIL process, incident, MIM, etc - Secondary skills - L1 troubleshooting, work with multi-team and engage with L2 support engineers and partners - Monitoring Strategy & Implementation - Define and implement monitoring frameworks for enterprise applications, Middleware, and infrastructure. - Deploy and configure monitoring tools (eg, Dynatrace, AppDynamics, Splunk, Prometheus, Grafana, Datadog). - Establish KPIs, dashboards, and alerting mechanisms for proactive issue detection.
Blue chip client is looking for an Application and Monitoring SME - Role is based full time on site in Wokingham. Candidates must be eligible for SC Clearance. MUST BE PAYE THROUGH UMBRELLA (INSIDE IR35) Working from Warwick office, ideally within 1 hours travel - Wokingham office considered but needs to travel to Warwick office for training - Primary skills - L1 monitoring/observability, ITIL process, incident, MIM, etc - Secondary skills - L1 troubleshooting, work with multi-team and engage with L2 support engineers and partners - Monitoring Strategy & Implementation - Define and implement monitoring frameworks for enterprise applications, Middleware, and infrastructure. - Deploy and configure monitoring tools (eg, Dynatrace, AppDynamics, Splunk, Prometheus, Grafana, Datadog). - Establish KPIs, dashboards, and alerting mechanisms for proactive issue detection.
Blue chip client is looking for an Application and Monitoring SME - Role is based full time on site in Warwick - Candidates must be eligible for SC Clearance. MUST BE PAYE THROUGH UMBRELLA (INSIDE IR35) Working from Warwick office, ideally within 1 hours travel - Wokingham office considered but needs to travel to Warwick office for training - Primary skills - L1 monitoring/observability, ITIL process, incident, MIM, etc - Secondary skills - L1 troubleshooting, work with multi-team and engage with L2 support engineers and partners - Monitoring Strategy & Implementation - Define and implement monitoring frameworks for enterprise applications, Middleware, and infrastructure. - Deploy and configure monitoring tools (eg, Dynatrace, AppDynamics, Splunk, Prometheus, Grafana, Datadog). - Establish KPIs, dashboards, and alerting mechanisms for proactive issue detection.
Blue chip client is looking for an Application and Monitoring SME - Role is based full time on site in Warwick - Candidates must be eligible for SC Clearance. MUST BE PAYE THROUGH UMBRELLA (INSIDE IR35) Working from Warwick office, ideally within 1 hours travel - Wokingham office considered but needs to travel to Warwick office for training - Primary skills - L1 monitoring/observability, ITIL process, incident, MIM, etc - Secondary skills - L1 troubleshooting, work with multi-team and engage with L2 support engineers and partners - Monitoring Strategy & Implementation - Define and implement monitoring frameworks for enterprise applications, Middleware, and infrastructure. - Deploy and configure monitoring tools (eg, Dynatrace, AppDynamics, Splunk, Prometheus, Grafana, Datadog). - Establish KPIs, dashboards, and alerting mechanisms for proactive issue detection.
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Architect secure integrations with Azure services (Functions, Logic Apps, Service Bus, API Management, Event Grid), Microsoft 365, and line-of-business systems via custom connectors * Integration design using Azure Functions, Logic Apps, API Management, Service Bus, Event Grid, custom connectors, and webhooks * Azure: Functions, Logic Apps, API Management, Service Bus, Event Grid, Key Vault, Monitor, Application Insights
Architect secure integrations with Azure services (Functions, Logic Apps, Service Bus, API Management, Event Grid), Microsoft 365, and line-of-business systems via custom connectors * Integration design using Azure Functions, Logic Apps, API Management, Service Bus, Event Grid, custom connectors, and webhooks * Azure: Functions, Logic Apps, API Management, Service Bus, Event Grid, Key Vault, Monitor, Application Insights
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Penetration Tester (Active SC Clearance)
Penetration Tester (Active SC Clearance)
Infoplus Technologies UK Ltd
Warwick (CV34)
From £350 to £400 per day
Experience working in API testing, Network technologies and cloud solutions
Experience working in API testing, Network technologies and cloud solutions
Skilled in API development and microservices architecture
Skilled in API development and microservices architecture
Hands-on experience with API development and microservices architecture and end-to-end integrations * Hands-on experience with API development and microservices architecture * Knowledge of API Gateways and ISTIO, ability to diagnose and intercept failures in end-to-end communication
Hands-on experience with API development and microservices architecture and end-to-end integrations * Hands-on experience with API development and microservices architecture * Knowledge of API Gateways and ISTIO, ability to diagnose and intercept failures in end-to-end communication
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AWS: API gateway, RDS, Cloudfront, Cognito, Terraform, GitHub, GitFlow pipelines
AWS: API gateway, RDS, Cloudfront, Cognito, Terraform, GitHub, GitFlow pipelines
Deep knowledge of REST API design, scalability, fault tolerance, and performance optimization.
Deep knowledge of REST API design, scalability, fault tolerance, and performance optimization.
As a Senior Software Engineer on the Issues API team at Snyk, you will have the opportunity to build highly scalable, performant APIs that are critical to our customers. As a part of our team, you'll be on the front lines of building and evolving our API layer, a critical component of Snyk's platform.
As a Senior Software Engineer on the Issues API team at Snyk, you will have the opportunity to build highly scalable, performant APIs that are critical to our customers. As a part of our team, you'll be on the front lines of building and evolving our API layer, a critical component of Snyk's platform.
At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies. It provides clients with financing, execution, liquidity and collateral solut
At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies. It provides clients with financing, execution, liquidity and collateral solut
Recommend authentication and security methods (OAuth 2.0, JWT, API keys)
Recommend authentication and security methods (OAuth 2.0, JWT, API keys)
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Build your future with Sovos. If you're seeking a career where innovation meets impact, you've come to the right place. As a global leader, Sovos is transforming tax compliance from a business requirement to a force for growth while revolutionising how businesses navigate the ever-changing regulatory landscape. At Sovos, we're dedicated to more than just solving compliance challenges we're committed to making a positive and lasting difference in everything we do. Our teams operate on the modern edge of digital technology, working not only to solve complex business challenges but also to enrich our personal, professional, and local communities. Our purpose-built systems provide the tools you need to thrive in a world where governments demand increased visibility, faster reporting and greater control over business processes. Excited about the possibilities? So are we!
Build your future with Sovos. If you're seeking a career where innovation meets impact, you've come to the right place. As a global leader, Sovos is transforming tax compliance from a business requirement to a force for growth while revolutionising how businesses navigate the ever-changing regulatory landscape. At Sovos, we're dedicated to more than just solving compliance challenges we're committed to making a positive and lasting difference in everything we do. Our teams operate on the modern edge of digital technology, working not only to solve complex business challenges but also to enrich our personal, professional, and local communities. Our purpose-built systems provide the tools you need to thrive in a world where governments demand increased visibility, faster reporting and greater control over business processes. Excited about the possibilities? So are we!
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Optimise page load speed, rendering performance, and API response times. * Familiarity with RESTful API design and backend performance considerations.
Optimise page load speed, rendering performance, and API response times. * Familiarity with RESTful API design and backend performance considerations.
Deep understanding and hands-on experience with real-time API protocols, particularly REST and WebSockets.
Deep understanding and hands-on experience with real-time API protocols, particularly REST and WebSockets.
Strong analytical thinking, communication skills, and experience with API-driven or extensible products are essential. * 5+ years as a Product Owner, Technical Product Manager, or similar role in SaaS, platform, API/SDK, or developer-focused products. * Deep knowledge of API-driven development and integration models. * Understanding of versioning, CI/CD pipelines, and open-API ecosystems.
Strong analytical thinking, communication skills, and experience with API-driven or extensible products are essential. * 5+ years as a Product Owner, Technical Product Manager, or similar role in SaaS, platform, API/SDK, or developer-focused products. * Deep knowledge of API-driven development and integration models. * Understanding of versioning, CI/CD pipelines, and open-API ecosystems.
Knowledge of secure coding and testing practices, particularly in cloud or API-driven environments.
Knowledge of secure coding and testing practices, particularly in cloud or API-driven environments.
Senior SharePoint / M365 Developer (REACT/SPFX Specialist)
Senior SharePoint / M365 Developer (REACT/SPFX Specialist)
NTT DATA UK Limited
Birmingham, West Midlands
Competitive
Integration: Develop seamless integrations with other Microsoft 365 services (e.g., Teams, Power Platform) and third-party systems using Microsoft Graph API, REST services, and web APIs. * API Integration: Solid understanding and experience working with the Microsoft Graph API and SharePoint REST APIs.
Integration: Develop seamless integrations with other Microsoft 365 services (e.g., Teams, Power Platform) and third-party systems using Microsoft Graph API, REST services, and web APIs. * API Integration: Solid understanding and experience working with the Microsoft Graph API and SharePoint REST APIs.
Big banks and enterprises use our API, which means our search and validation engines need to be lightning-fast and bulletproof, even when our biggest partners turn on the tap.
Big banks and enterprises use our API, which means our search and validation engines need to be lightning-fast and bulletproof, even when our biggest partners turn on the tap.
Help drive decisions on API design, synchronous vs. asynchronous processing, consistency models, and service boundaries for the broader platform. * AWS Cloud Expertise: Deep architectural knowledge of the AWS ecosystem, such as Lambda, API Gateway, S3, DynamoDB, IAM, and container orchestration (EKS/ECS).
Help drive decisions on API design, synchronous vs. asynchronous processing, consistency models, and service boundaries for the broader platform. * AWS Cloud Expertise: Deep architectural knowledge of the AWS ecosystem, such as Lambda, API Gateway, S3, DynamoDB, IAM, and container orchestration (EKS/ECS).
Identity verification and authentication flows (e.g. account security, MFA, API-based identity) * Experience across multiple product areas within a platform or API-based company
Identity verification and authentication flows (e.g. account security, MFA, API-based identity) * Experience across multiple product areas within a platform or API-based company